#648FB8

#648FB8

Color Values

HEX

#648FB8

RGB

100, 143, 184

HSL

209.3, 37.2%, 55.7%

HSV

209.3, 45.7%, 72.2%

CMYK

45.7%, 22.3%, 0.0%, 27.8%

OKLCH

0.635 0.078 248.0

Properties

Cool Light Nearest: steelblue

Color Harmonies

Complementary

#648FB8

#B88D64

Analogous

#64B8B7

#6465B8

#648FB8

Triadic

#648FB8

#B8648F

#8FB864

Split Complementary

#648FB8

#B86465

#B8B764

Tetradic

#648FB8

#B764B8

#B88D64

#65B864

Color Blindness Simulation

Original

#648FB8

Protanopia

#7777AE

Deuteranopia

#7471AC

Tritanopia

#66A6A5

Achromatopsia

#898989

CSS Usage

background-color: #648FB8;
color: #648FB8;
border-color: #648FB8;
Nearest Tailwind: Slate 500 #64748B

Tailwind Shades

50
#F5F7FA
100
#E8EDF3
200
#CEDCE9
300
#ABC2D9
400
#7EA1C4
500
#5081AF
600
#40678C
700
#335270
800
#284057
900
#203141
950
#141F29

Contrast Checker

Text on white

3.41:1

AA Fail AAA Fail

Text on black

6.16:1

AA Pass AAA Fail

Related Articles

Brand Stories

Pantone Colors by Decade: The 2000s, 2010s, and 2020s Compared

Feb 01, 2026
Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026